guests = ["Mao Zedong", "Liu Yifei", "Zhou Jielun", "Li Bai"]
busy_guest = "Zhou Jielun"
new_guest = "Fang Wenshan"
guests[2] = new_guest
busy_guest_message = busy_guest + " is too busy to have dinner with me."
for guest in guests:
    invitation = "Dear " + guest + ", would you like to have dinner with me?"
    print(invitation)
print(busy_guest_message)